Froth-Pak is a two part spray applied polyurethane foam system. Being spray applied, the foam can be used where pouring foam would be uncontrollable. Flints are distributors of this excellent product and offer it at very competitive prices. Froth Pak is perfect as a sculpting medium for carving. Use it to quickly to create rock faces or spray it onto tree armatures. Froth Pak will add structural strength to your constructions. It can be used as an insulation material to cut condensation, reduce sound and hold heat. Ideal for insulation of steel hulls and cooling boxes. No harmful HCFCs New B2 fire rating Full instructions and everything you need in the kit including spare nozzles. New low prices